Sound dock



FIG. 1 is a front elevational view of a sound dock showing my newdesign;

FIG. 2 is a back elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines shown in FIGS. 1 through 6 indicate disclaimed portionsand form no part of the claimed design.

CLAIM The ornamental design for a sound dock, as shown and described.